RedHat EX294 Quiz 3 Topic 7 Questions 11-15

Question: 1

Modify file content.

------------------------

Create a playbook called /home/admin/ansible/modify.yml as follows:

* The playbook runs on all inventory hosts

* The playbook replaces the contents of /etc/issue with a single line of text as

follows:

--> On hosts in the dev host group, the line reads: ''Development''

--> On hosts in the test host group, the line reads: ''Test''

--> On hosts in the prod host group, the line reads: ''Production''

AExplanation:
Solution as:
# pwd
/home/admin/ansible
# vim modify.yml
---
- name:
hosts: all
tasks:
- name:
copy:
content: 'Development'
dest: /etc/issue
when: inventory_hostname in groups['dev']
- name:
copy:
content: 'Test'
dest: /etc/issue
when: inventory_hostname in groups['test']
- name:
copy:
content: 'Production'
dest: /etc/issue
when: inventory_hostname in groups['prod']
:wq
# ansible-playbook modify.yml ---syntax-check
# ansible-playbook modify.yml

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Question: 2

Create a file called requirements.yml in /home/sandy/ansible/roles to install two roles. The source for the first role is geerlingguy.haproxy and geerlingguy.php. Name the first haproxy-role and the second php-role. The roles should be installed in /home/sandy/ansible/roles.

AExplanation:
in /home/sandy/ansible/roles
vim requirements.yml

Run the requirements file from the roles directory:
ansible-galaxy install -r requirements.yml -p /home/sandy/ansible/roles

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Question: 3

Modify file content.

------------------------

Create a playbook called /home/admin/ansible/modify.yml as follows:

* The playbook runs on all inventory hosts

* The playbook replaces the contents of /etc/issue with a single line of text as

follows:

--> On hosts in the dev host group, the line reads: ''Development''

--> On hosts in the test host group, the line reads: ''Test''

--> On hosts in the prod host group, the line reads: ''Production''

AExplanation:
Solution as:
# pwd
/home/admin/ansible
# vim modify.yml
---
- name:
hosts: all
tasks:
- name:
copy:
content: 'Development'
dest: /etc/issue
when: inventory_hostname in groups['dev']
- name:
copy:
content: 'Test'
dest: /etc/issue
when: inventory_hostname in groups['test']
- name:
copy:
content: 'Production'
dest: /etc/issue
when: inventory_hostname in groups['prod']
:wq
# ansible-playbook modify.yml ---syntax-check
# ansible-playbook modify.yml

Show Answer

Question: 4

Install the RHEL system roles package and create a playbook called timesync.yml that:

--> Runs over all managed hosts.

--> Uses the timesync role.

--> Configures the role to use the time server 192.168.10.254 ( Hear in redhat lab

use "classroom.example.com" )

--> Configures the role to set the iburst parameter as enabled.

AExplanation:
Solution as:
# pwd
home/admin/ansible/
# sudo yum install rhel-system-roles.noarch -y
# cd roles/
# ansible-galaxy list
# cp -r /usr/share/ansible/roles/rhelsystem-roles.timesync .
# vim timesync.yml
---
- name: timesynchronization
hosts: all
vars:
timesync_ntp_provider: chrony
timesync_ntp_servers:
- hostname: classroom.example.com _ in exam its ip-address
iburst: yes
timezone: Asia/Kolkata
roles:
- rhel-system-roles.timesync
tasks:
- name: set timezone
timezone:
name: '{{ timezone }}'
:wq!
timedatectl list-timezones | grep india
# ansible-playbook timesync.yml --syntax-check
# ansible-playbook timesync.yml
# ansible all -m shell -a 'chronyc sources -v'
# ansible all -m shell -a 'timedatectl'
# ansible all -m shell -a 'systemctl is-enabled chronyd'

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Question: 5

Create a file called specs.empty in home/sandy/ansible on the local machine as follows:

HOST=

MEMORY=

BIOS=

VDA_DISK_SIZE=

VDB_DISK_SIZE=

Create the playbook /home/sandy/ansible/specs.yml which copies specs.empty to all remote nodes' path /root/specs.txt. Using the specs.yml playbook then edit specs.txt on the remote machines to reflect the appropriate ansible facts.

AExplanation:
Solution as:

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RedHat EX294 Quiz:3 Topic:7 Questions:11-15